WeaponSpecs

AVIC (Aviation Industry Corporation of China) J-20 vs Mikoyan (MiG) MiG-31

Full specs: AVIC (Aviation Industry Corporation of China) J-20 Mikoyan (MiG) MiG-31

AVIC (Aviation Industry Corporation of China) J-20 and Mikoyan (MiG) MiG-31 are both fighter aircraft, compared here on public specifications. The Mikoyan (MiG) MiG-31 leads on max speed (3,000 vs 2,100 km/h). Several China and Russia-origin figures here are manufacturer or state claims with limited independent verification, so treat this comparison as directional.

Compare systems side by side

Search above to add up to five systems. You’ll get a per-spec winner, relative bars, a normalized spec profile and an honest verdict, every number from public sources.

Building a fleet? Try the Force Builder →

Full data

Full spec sheet

AVIC (Aviation Industry Corporation of China) J-20 Wins 4/10
Mikoyan (MiG) MiG-31 Wins 6/10
Performance
Max speed (km/h) 2,100 km/h 3,000 km/h
Max speed (Mach) (Mach) 2 Mach 2.83 Mach
Range (km) 3,400 km 3,000 km
Combat radius (km) 2,000 km 720 km
Service ceiling (m) 20,000 m 20,600 m
Thrust-to-weight 1 0.85
Firepower
Hardpoints 6 6
Weapons payload (kg) 11,000 kg 9,000 kg
Physical
Length (m) 20.4 m 22.69 m
Empty weight (kg) 19,391 kg 21,820 kg
Combat weight (kg) 32,092 kg 41,000 kg
Crew 1 2
Propulsion
Thrust (kN) 142 kN 152 kN
Program
Units built 250 519
Operator countries 1 2

Frequently asked questions

Which is faster, AVIC (Aviation Industry Corporation of China) J-20 and Mikoyan (MiG) MiG-31? +

The Mikoyan (MiG) MiG-31 is the fastest of the 2 compared here, at 3,000 km/h.

Which has the longer range? +

The AVIC (Aviation Industry Corporation of China) J-20 has the longest range at 3,400 km.

Which carries the larger weapons payload? +

The AVIC (Aviation Industry Corporation of China) J-20 carries the largest weapons payload at 11,000 kg.

Which has the higher max speed (mach)? +

The Mikoyan (MiG) MiG-31 has the higher max speed (mach) at 2.83 Mach.

Which has the higher combat radius? +

The AVIC (Aviation Industry Corporation of China) J-20 has the higher combat radius at 2,000 km.

Which has the higher thrust-to-weight? +

The AVIC (Aviation Industry Corporation of China) J-20 has the higher thrust-to-weight at 1.

Is the AVIC (Aviation Industry Corporation of China) J-20 better than the Mikoyan (MiG) MiG-31? +

On the public specs we track, the AVIC (Aviation Industry Corporation of China) J-20 leads on 4 of 6 headline metrics, see the full spec sheet for the metric-by-metric breakdown.

Where does this comparison data come from? +

Every figure in the table is sourced from public manufacturer pages, defense-ministry releases and reference publications, and is verifiable on each system's spec page. WeaponSpecs does not accept vendor placement.

Keep exploring

More head-to-heads